Danfoss Compressor SM147A4PBN

06/29/2020

How the compressor works

08/15/2020

Comparison of ground source heat pump and air source heat pump

1. Ground source heat pump technology 　　The ground-source heat pump central air-conditioning system is a heating and air-conditioning system composed of rock soil,

07/05/2020

Hitachi Air Energy Heat Pump Compressor

Hitachi Air Energy Heat Pump Compressor The compressor does not start and has nothing to do with the four-way valve coil heating mode Why can't the compressor of the four-way valve of the air conditioner start up after changing the heating mode? The compressor does not start and has nothing to do with the four-way valve coil heating mode.

06/21/2020

Common failure and analysis of centrifugal air compressor

Common failure and analysis of centrifugal air compressor 1. Abnormal vibration and noise: ① Misalignment ② The compressor rotor is unbalanced ③ The impeller is damaged ④ The bearing is abnormal ⑤ The coupling is faulty or unbalanced ⑥ The sealing ring is bad ⑦ The oil pressure and oil temperature are abnormal ⑧ There is dirt in the oil Clean, wear out the bearing ⑨ Surge ⑩ The stress of the gas pipeline is transmitted to the casing, which causes misalignment ⑪ There is a machine working near the compressor<img src="{{media url=&quot;Common_failure_and_analysis_of_centrifugal_air_compressor.jpg&quot;}}" alt="" />

08/24/2020

How long is the service life of the refrigerator

Currently, there is no mandatory standard for the service life of electrical appliances.<br></br> 　　 The "Safety Life of Household Appliances" formulated by the Household Appliances Industry Association specifies that the safe use of refrigerators is 10 years.

08/14/2020

Where is the secret of energy saving in cold storage

For most fruit farmers, the storage of fruits and vegetables is particularly important in order to gain a good momentum in the coming year. Everyone is not unfamiliar with the storage method of fruits and vegetables in cold storage,

08/16/2020

Quick troubleshooting method for chiller (freezing) machine displaying host overload fault

During the use of the equipment, it sometimes encounters such and other failures, among which "host overload" is not very common. We should not immediately think that the compressor is broken as soon as we see the "main unit overload".

09/15/2022

Hydraulic Piston Motor: Types, Working Principle and Pros and Cons (1)

A <strong>hydraulic piston motor</strong> is a type of hydraulic motor. How does a hydraulic piston pump work?

08/11/2020

Several common causes of compressor bearing damage

There are many important precision parts in first-class compressors, and the most worn part during regular operation is the bearing, so the bearing is one of the parts that need frequent maintenance and replacement.

08/05/2020

20 years of HVAC master conscientious summary, radiator installation these 4 points are very important, novices should keep in mind!

It is wise to install radiators in the spring season to avoid rushing when the severe cold comes. What are the precautions for installing the radiator?